Born

Baton Rouge, Louisiana, USA

Biography

Hayley Arceneaux is an American physician assistant and commercial astronaut who joined SpaceX’s Inspiration4 mission in 2021. She became the first person in space with a prosthetic leg and the youngest American to orbit Earth. A cancer survivor, Arceneaux works at St. Jude Children’s Research Hospital and was inspired by her own treatment there. She also climbed Mount Rainier as part of her spaceflight training.